★ okirikiri nhọrọ ukwuu;
★ arụ ọrụ dị mma;
★ Nnukwu mmepụta nzukọ;
★ Adabara uka mmepụta nke otu akụrụngwa ụdị;
★ Izute obere ogbe mmepụta nke multi iche iche components;
★ Mepụta mpụga mgbidi ogwe na thermal mkpuchi, ma na-emepụta esịtidem mgbidi ogwe, laminated efere na ụfọdụ pụrụ iche ekara components;